.Conservation Actions UnderwayCMS Appendix I. On Maui, there is a long term monitoring programme in the Haleakala National Park (Simons and Hodges 1998) and efforts are made to control introduced mammals. In 1976, a perimeter fence was put up around the main colony to exclude feral goats and pigs from the habitat (Carlile et al. 2003). The predator exclosures placed around the national park may have facilitated an increase in the number of birds in eastern Maui (Cooper and Day
2003). The trapping of rats started in 1968, and since 1997 rodenticides have been used (Carlile et al. 2003). Cats and mongooses have been controlled since 1981, and trapping of these species and rats continues to be carried out year round (Carlile et al. 2003). On Lnai: colony delineation surveys are continuing (J. Penniman in litt. 2007), and as burrows are found they are included in basic breeding biology study; feral cats are being trapped and removed; studies on Tyto alba are being designed; a rat population assessment was due to begin